Notes from the email trenches.
Deliverability, DNS, protocols, pricing. Written by the team building JustEmails.
SMTP vs API for Transactional Email: When to Use Each
SMTP or API for transactional email? Decision framework with Node & Python code samples.
JustEmails vs Microsoft 365 for Business Email: Which Wins for Email-Only Teams?
A 20-person team pays $1,152/year on Exchange Online Plan 1 just for email. JustEmails covers that same team for $49/year flat. We break down the per-user math, what M365 bundles you don't need, and when Microsoft actually makes sense.
JustEmails vs MXroute: Flat Pricing Email Hosting Compared (2026)
Flat-rate email hosting showdown. MXroute lifetime deals vs JustEmails modern UX.
DMARC: From p=none to p=reject Without Breaking Your Email
A real-world ramp from DMARC p=none to p=reject — DKIM signing pre-flight, monitor mode, pct=10 quarantine, and the breakage modes (calendar invites, listservs) that catch every team off guard.
The Complete Guide to Setting Up Custom Domain Email in 2026
Custom domain email setup, end to end — DNS, MX, SPF, DKIM, DMARC, and an honest provider price comparison. Real records, real commands, no fluff.
Why Agencies Are Switching from Google Workspace to Dedicated Email Hosting
Google Workspace costs pile up fast when you manage 10+ client domains. Here's why agencies are switching to flat-rate email hosting and saving thousands per year.